US20100003346A1 - Combination methods of treating cancer - Google Patents

Combination methods of treating cancer Download PDF

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US20100003346A1
US20100003346A1 US12/307,557 US30755707A US2010003346A1 US 20100003346 A1 US20100003346 A1 US 20100003346A1 US 30755707 A US30755707 A US 30755707A US 2010003346 A1 US2010003346 A1 US 2010003346A1
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agent
jasmonate
cancer
derivative
cells
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Eliezer Flescher
Alina Heyfets
Max Herzberg
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Ramot at Tel Aviv University Ltd
Sepal Pharma SA
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Sepal Pharma SA
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K45/00—Medicinal preparations containing active ingredients not provided for in groups A61K31/00 - A61K41/00
    • A61K45/06—Mixtures of active ingredients without chemical characterisation, e.g. antiphlogistics and cardiaca
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/12—Ketones
    • A61K31/122—Ketones having the oxygen directly attached to a ring, e.g. quinones, vitamin K1, anthralin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/16—Amides, e.g. hydroxamic acids
    • A61K31/17—Amides, e.g. hydroxamic acids having the group >N—C(O)—N< or >N—C(S)—N<, e.g. urea, thiourea, carmustine
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/335—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin
    • A61K31/337—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having four-membered rings, e.g. taxol
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/70—Carbohydrates; Sugars; Derivatives thereof
    • A61K31/7004—Monosaccharides having only carbon, hydrogen and oxygen atoms
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/70—Carbohydrates; Sugars; Derivatives thereof
    • A61K31/7028—Compounds having saccharide radicals attached to non-saccharide compounds by glycosidic linkages
    • A61K31/7034—Compounds having saccharide radicals attached to non-saccharide compounds by glycosidic linkages attached to a carbocyclic compound, e.g. phloridzin
    • A61K31/7036—Compounds having saccharide radicals attached to non-saccharide compounds by glycosidic linkages attached to a carbocyclic compound, e.g. phloridzin having at least one amino group directly attached to the carbocyclic ring, e.g. streptomycin, gentamycin, amikacin, validamycin, fortimicins
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K33/00—Medicinal preparations containing inorganic active ingredients
    • A61K33/24—Heavy metals; Compounds thereof
    • A61K33/243—Platinum; Compounds thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P35/00—Antineoplastic agents
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P35/00—Antineoplastic agents
    • A61P35/02—Antineoplastic agents specific for leukemia
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P35/00—Antineoplastic agents
    • A61P35/04—Antineoplastic agents specific for metastasis
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00

Definitions

  • the present invention relates to the treatment of cancer using combination therapy comprising a jasmonate derivative in combination with a chemotherapeutic agent and/or an inhibitor of glycolysis.
  • Jasmonates are a family of plant stress hormones, derived from linolenic acid by the octadecanoid pathway, which are found in minute quantities in many edible plants. Stress hormones such as the jasmonate family have evolved in plants, and are released in such times of stress such as extreme UV radiation, osmotic shock, heat shock and pathogen attack, to initiate various cascades which end in appropriate responses. Examples of members of the jasmonate family are jasmonic acid, which is crucial to intracellular signaling in response to injury, and methyl jasmonate (MJ), which causes induction of a proteinase inhibitor, that accumulates at low concentrations in response to wounding or pathogenic attacks.
  • MJ methyl jasmonate
  • jasmonates While jasmonates elicited death in human leukemic Molt-4 cells, they do not damage normal peripheral blood erythrocytes (4), normal lymphocytes (2) and human sperm cells. See also WO 02/080890, the contents of which are incorporated by reference in their entirety. These results strongly support the conclusion that jasmonates specifically target transformed cells.
  • PCT International Patent Publication WO 2005/054172 discloses novel halogenated jasmonate derivatives, pharmaceutical compositions comprising the derivatives, and their use for reducing cancer cell growth and for treating cancer.
  • jasmonates are capable of inducing both necrotic and apoptotic death in Molt-4 human lymphoblastic leukemia cells (1). Furthermore, jasmonates are capable of killing cancer cells in a manner independent of cellular mRNA transcription, protein translation (5), and p53 expression (6).
  • MJ has direct mitochondriotoxic effects, strongly suggesting that mitochondria are target organelles of jasmonates.
  • PTPC mitochondrial permeability transition pore complex
  • Multi-agent therapy has three important theoretical advantages over single-agent therapy. First, it can maximize cell kill while minimizing host toxicities by using agents with non-overlapping dose-limiting toxicities. Second, it may increase the range of drug activity against tumor cells with endogenous resistance to specific types of therapy. Finally, it may also prevent or slow the development of newly resistant tumor cells (7). Virtually, almost all curative chemotherapy regimens for cancer employ multi-agent drug combinations (8). Although ideal drug combinations would be those that are synergistically active against malignant cells without increased systemic toxicity, additive anti-tumor activity with favorable toxicity profile can also be clinically beneficial (9).
  • chemotherapeutic agents can be classified by mechanism of action.
  • the alkylating agents impair cell function by forming covalent bonds with the amino, carboxyl, sulfhydryl, and phosphate groups in biologically important molecules.
  • the most important sites of alkylation are DNA, RNA, and proteins.
  • Alkylating agents depend on cell proliferation for activity but are not cell-cycle-phase-specific. Alkylating agents are classified according to their chemical structures and mechanisms of covalent bonding; this drug class includes the nitrogen mustards, nitroso-ureas (BCNU) and platinum complexes (cisplatin) (7).
  • Taxanes are semisynthetic derivatives of extracted precursors from the needles of yew plants.
  • Taxane Unlike the vinca alkaloids, which cause microtubular disassembly, the taxanes (e.g., taxol) promote microtubular assembly and stability, therefore blocking the cell cycle in mitosis (7).
  • Antitumor antibiotics like adriamycin intercalate DNA at guanine-cytosine and guanine-thymine sequences, resulting in spontaneous oxidation and formation of free oxygen radicals that cause strand breakage (7).
  • BCL1 (B-cell leukemia/lymphoma 1) is a spontaneous murine leukemia originally described in 1978 by Slavin and Strober in a 2-year-old female BALB/cKa (H-2d) mouse (15).
  • the tumor bearing mouse has high leukocyte counts and marked splenomegaly.
  • the cytological features of the BCL1 cells are essentially the same as those seen in human disorders of well-differentiated lymphocytic lymphoma and chronic lymphocyte leukemia (CLL) (16).
  • CLL chronic lymphocyte leukemia
  • Chemotherapeutic drugs such as chlorambucil, prednisone, and certain monoclonal antibodies directed to specific cell surface proteins induce B-CLL apoptosis in vivo, although complete remission is difficult to attain and all patients eventually relapse (18).
  • Purine analogues induce significant clinical improvement but are associated inevitably with immune suppression, resulting in opportunistic infections (19).
  • the combination of 9- ⁇ -D-arabinofuranosyl-2-fluoroadenine (fludarabine) and cyclophosphamide induces myelosuppression (20). It is therefore important to search for new agents which may be useful as novel therapies for CLL, alone or in combination with already known drugs.
  • jasmonate compounds make them attractive candidates as therapeutic agents for the treatment of cancer, alone or in combination with additional chemotherapeutic agents.
  • the present invention relates to compositions and methods for treating cancer, by administering a combination comprising a jasmonate derivative (e.g., methyl jasmonate or a compounds of any of formulae I through VII or any of the jasmonate derivatives exemplified by such formulae) in combination with at least one other agent selected from a chemotherapeutic agent (e.g., a nitroso-urea, a platinum compound, a taxane derivative, an antitumor antibiotic), an inhibitor of glycolysis (e.g., 2-deoxy-D-glucose) or combinations thereof.
  • a chemotherapeutic agent e.g., a nitroso-urea, a platinum compound, a taxane derivative, an antitumor antibiotic
  • an inhibitor of glycolysis e.g., 2-deoxy-D-glucose
  • the combination of a first treatment that includes administration of a jasmonate derivative, as described herein, and a second treatment using one or more agents selected from a chemotherapeutic drug and an inhibitor of glycolysis, as described herein can provide therapeutically effective anticancer effects.
  • the effect is synergistic, i.e., the jasmonate derivative and the at least one other agent together produce a significantly better anticancer result (e.g., cell growth arrest, apoptosis, induction of differentiation, cell death, etc.) than the additive effects achieved by each individual constituent when administered alone at a therapeutic dose.
  • the overall effect of the combined therapy after a course of treatment will be significantly better than the effects achieved with a course of each of the therapeutic agents individually.
  • the combination of therapy is particularly advantageous, since the dosage of each agent in a combination therapy can be reduced as compared to monotherapy with each agent, while still achieving an overall anti-tumor effect.
  • the total amount of drugs administered to a patient can advantageously be reduced, which may result in decreased side effects.
  • MJ methyl jasmonate
  • conventional chemotherapeutic agents e.g., the nitrosourea BCNU, cisplatin, taxol and adriamycin
  • MJ was found to act synergistically with several cytotoxic drugs and 2DG in a variety of cell lines.
  • MJ exhibited a synergistic effect with taxol in mammary adenocareinoma, lung carcinoma, breast adenocarcinoma and prostate adenocarcinoma cell lines; with cisplatin in pancreatic carcinoma and prostate adenocarcinoma cell lines; with adriamycin in a B-cell leukemia cell line, and with BCNU in a pancreatic carcinoma and B-cell leukemia cell lines.
  • in vivo results demonstrate that combined treatment of MJ with adriamycin significantly increased survival of BCL1 leukemia-bearing mice, while MJ or adriamycin alone did not induce increased survival.
  • MJ was found to act synergistically with 2DG in colon carcinoma, lung carcinoma and breast adenocarcinoma cell lines.
  • the unexpected results underline the importance of the combination of MJ with chemotherapeutic drugs and suggest that it may have clinical value for the treatment of several types of cancer.
  • the present invention thus relates to a method for treating cancer in a subject in need thereof, comprising administering to the subject a jasmonate derivative in combination with at least one other agent selected from a chemotherapeutic agent and an inhibitor of glycolysis, wherein the jasmonate derivative and the at least one other agent together provide a synergistic therapeutic effect.
  • the present invention relates to a method for inhibiting cancer cell proliferation, comprising contacting cancer cells with a jasmonate derivative in combination with at least one other agent selected from a chemotherapeutic agent and an inhibitor of glycolysis, wherein the jasmonate derivative and the at least one other agent together provide a synergistic effect.
  • the present invention relates to the use of a jasmonate derivative in combination with at least one other agent selected from a chemotherapeutic agent and an inhibitor of glycolysis, wherein the jasmonate derivative and the at least one other agent together provide a synergistic therapeutic effect.
  • combination denotes any form of concurrent or parallel treatment with at least two distinct therapeutic agents. This term is intended to encompass both concomitant administration of the two treatment modalities, i.e., using substantially the same treatment schedule, as well as overlapping administration in sequential or alternating schedules of each treatment.
  • the jasmonate derivative and the at least one other chemotherapeutic agent can be administered simultaneously (in the same or in separate dosage forms), or they can be administered sequentially, in any order.
  • the administration can also take place according to alternating dosing schedules, e.g., jasmonate derivative followed by chemotherapeutic agent, then an additional dose of jasmonate derivative, followed by a glycolysis inhibitor, etc. All administration schedules, including simultaneous, sequential and alternating, are contemplated by the present invention.
  • the jasmonate derivative is methyl jasmonate. In another currently preferred embodiment, the jasmonate derivative is a compound represented by the formula:
  • the jasmonate derivative is a compound represented by the formula:
  • the jasmonate is a compound of formula 9:
  • the jasmonate derivative can be jasmonic acid or any derivative thereof.
  • Suitable jasmonate derivatives are disclosed in U.S. Pat. No. 6,469,061, PCT International Patent Application Publication Nos. WO 02/080890, WO 2005/054172, and in WO 2007/066336 and WO 2007/066337. The contents of each of the aforementioned references are incorporated by reference herein in their entirety as if fully set forth herein.
  • Suitable chemotherapeutic agents include, but are not limited to, alkylating agents, antibiotic agents, antimetabolic agents, hormonal agents, plant-derived agents and their synthetic derivatives, anti-angiogenic agents, differentiation inducing agents, cell growth arrest inducing agents, apoptosis inducing agents, cytotoxic agents, agents affecting cell bioenergetics i.e., affecting cellular ATP levels and molecules/activities regulating these levels, biologic agents, e.g., monoclonal antibodies, kinase inhibitors and inhibitors of growth factors and their receptors, gene therapy agents, cell therapy, e.g., stem cells, or any combination thereof.
  • alkylating agents include, but are not limited to, alkylating agents, antibiotic agents, antimetabolic agents, hormonal agents, plant-derived agents and their synthetic derivatives, anti-angiogenic agents, differentiation inducing agents, cell growth arrest inducing agents, apoptosis inducing agents, cytotoxic agents, agents affecting cell bioenergetics
  • the chemotherapeutic agent is a nitroso-urea (e.g., 1,3-bis[2-chloroethyl]-10-nitroso-urea (BCNU)), a platinum compound (e.g., cisplatin), a taxane derivative (e.g., taxol), an antitumor antibiotic (e.g., adriamycin), or any combination thereof.
  • the inhibitor of glycolysis is 2-deoxy-D-glucose (2DG).
  • the present invention relates to a method for treating cancer in a subject in need thereof, comprising administering to the subject a jasmonate derivative in combination with at least one other agent selected from the group consisting of a nitroso-urea (e.g., 1,3-bis[2-chloroethyl]-10-nitroso-urea (BCNU), a platinum compound (e.g., cisplatin), a taxane derivative (e.g., taxol), an antitumor antibiotic (e.g., adriamycin), an inhibitor of glycolysis (e.g., 2DG), or any combination thereof, wherein the jasmonate derivative and the at least one other agent together provide a therapeutic effect.
  • the jasmonate derivative and the at least one other agent together provide a therapeutic effect.
  • the therapeutic effect is synergistic.
  • the cancer is lung carcinoma, the jasmonate derivative is methyl jasmonate, and the at least one other agent is taxol.
  • the cancer is pancreatic carcinoma, the jasmonate derivative is methyl jasmonate, and the at least one other agent is cisplatin or BCNU.
  • the cancer is breast adenocarcinoma, the jasmonate derivative is methyl jasmonate, and the at least one other agent is taxol.
  • the cancer is prostate adenocarcinoma, the jasmonate derivative is methyl jasmonate, and the at least one other agent is cisplatin or taxol.
  • the cancer is B-cell leukemia, the jasmonate derivative is methyl jasmonate, and the at least one other agent is adriamycin or BCNU.
  • the cancer is colon carcinoma, lung carcinoma or breast adenocarcinoma, the jasmonate derivative is methyl jasmonate, and the at least one other agent is 2DG.
  • the present invention also contemplates pharmaceutical compositions that include a first amount of a jasmonate derivative in combination with a second amount of at least one other agent selected from a chemotherapeutic agent and an inhibitor of glycolysis.
  • the collective amount of jasmonate derivative and at least one other agent provides a synergistic therapeutic anti-cancer effect.
  • compositions of the present invention can be provided in any form known in the art, for example in a form suitable for oral administration (e.g., a solution, a suspension, a syrup, an emulsion, a dispersion, a suspension, a tablet, a pill, a capsule, a pellet, granules and a powder), for parenteral administration (e.g., intravenous, intramuscular, intra-arterial, transdermal, subcutaneous or intraperitoneal), for topical administration (e.g., an ointment, a gel, a cream), for administration by inhalation or for administration via suppository.
  • the active ingredient is dissolved in any acceptable lipid carrier.
  • the combinations of the present invention are active against a wide range of cancers.
  • the combinations of the present invention are active against a wide range of cancers, including carcinomas, sarcomas, myelomas, leukemias, lymphomas and mixed type tumors.
  • Particular categories of tumors amenable to treatment include lymphoproliferative disorders, breast cancer, ovarian cancer, prostate cancer, cervical cancer, endometrial cancer, bone cancer, liver cancer, stomach cancer, colon cancer, pancreatic cancer, cancer of the thyroid, head and neck cancer, cancer of the central nervous system, cancer of the peripheral nervous system, skin cancer, kidney cancer, as well as metastases of all the above.
  • tumors amenable to treatment include: hepatocellular carcinoma, hematoma, hepatoblastoma, rhabdomyosarcoma, esophageal carcinoma, thyroid carcinoma, ganglioblastoma, fibrosarcoma, myxosarcoma, liposarcoma, chondrosarcoma, osteogenic sarcoma, chordoma, angiosarcoma, endotheliosarcoma, Ewing's tumor, leiomyosarcoma, rhabdotheliosarcoma, invasive ductal carcinoma, papillary adenocarcinoma, melanoma, squamous cell carcinoma, basal cell carcinoma, adenocarcinoma (well differentiated, moderately differentiated, poorly differentiated or undifferentiated), renal cell carcinoma, hypernephroma, hypernephroid adenocarcinoma, bile duct carcinoma, choriocar
  • combinations of the present invention are active against breast cancer, kidney cancer, stomach cancer, leukemia, including lymphoblastic leukemia, lung carcinoma, melanoma and colon cancer.
  • FIG. 1 Cytotoxic effect of MJ towards tumor cells lines. Cytotoxicity is calculated as % of control untreated cells, mean ⁇ s.e of triplicates.
  • FIG. 1A CT26, DA-3 and D122.
  • FIG. 1B TRAMP C1, MIA PaCa-2, MCF7 and BCL1.
  • FIG. 2 Cytotoxic effect of combined treatments with MJ and chemotherapeutic drugs on different carcinoma cell lines in vitro. Cytotoxicity is calculated as % of control untreated cells, mean ⁇ s.e of triplicates. The expected values are assuming additivity. The observed effect values are those actually generated by the combinations of MJ and the cytotoxic drugs.
  • FIG. 2A Mia PaCa-2 cells were incubated in the presence of cisplatin or BCNU at the indicated concentrations and/or 1 mM MJ. pV ⁇ 0.05 comparing expected cytotoxicity for BCNU+MJ (at all indicated concentrations) and cisplatin+MJ (at 1 and 2.5 ⁇ g/ml) versus observed effect.
  • FIG. 2B MCF7 cells were incubated in the presence of taxol at the indicated concentrations and/or 1 mM MJ. pV ⁇ 0.05 comparing expected cytotoxicity for taxol+MJ at 2.5 ⁇ g/ml versus observed effect.
  • FIG. 2C DA-3 cells were incubated in the presence of taxol at the indicated concentrations and/or 0.5 mM MJ. pV ⁇ 0.05 comparing expected cytotoxicity for taxol+MJ at all indicated concentrations except for 10 ⁇ g/ml, versus observed effect.
  • FIG. 2D D122 cells were incubated in the presence of taxol at the indicated concentrations and/or 1 mM MJ. pV ⁇ 0.05 comparing expected cytotoxicity for taxol+MJ at all indicated concentrations versus observed effect.
  • FIG. 2E TRAMP C1 cells were incubated in the presence of taxol or cisplatin at the indicated concentrations and/or 0.5 mM MJ (in the case of cisplatin) and 1 mM MJ (in the case of taxol). pV ⁇ 0.05 comparing expected cytotoxicity for cisplatin+MJ at 2.5 ⁇ g/ml versus observed effect. pV ⁇ 0.05 comparing expected cytotoxicity for taxol+MJ at all indicated concentrations versus observed effect.
  • FIG. 3 Cytotoxic effect of combined treatments with MJ and chemotherapeutic drugs on BCL1 cells.
  • the cells were pre-incubated with BCNU (A) or adriamycin (B) at the indicated concentrations for 1 h, and MJ at 0.1 mM was added for 24 h.
  • the expected values are assuming additivity.
  • the observed effect values are those actually generated by the combinations of MJ and the cytotoxic drugs. Cytotoxicity is calculated as % of control untreated cells, mean ⁇ s.e of triplicates. pV ⁇ 0.05 comparing expected cytotoxicity for BCNU+MJ at 2.5, 5, 10 ⁇ g/ml or adriamycin+MJ at 5, 10, 25 ng/ml versus observed effect.
  • FIG. 4 Combination of adriamycin (ADR) and MJ, i.v., exhibits a cooperative effect against BCL1 leukemia in vivo.
  • the mice were treated with MJ 60 mg/kg i.v. every day (5 days a week) for 4 weeks.
  • Adriamycin (ADR) was administered i.p. twice, 4 mg/kg, on days 7 and 14 after BCL1 injection.
  • Control mice were injected with the vehicle lipofundin (LPF). There were 15 mice in each group.
  • pV 0.028 comparing survival of ADR treated mice versus ADR+MJ treated mice.
  • FIG. 5 Combined effects of MJ and 2DG on different cell lines. Cytotoxicity is calculated as % of control untreated cells, mean ⁇ s.e. of triplicates. The expected values are assuming additivity. The observed effect values are those actually generated by the combinations of MJ and the cytotoxic drugs. pV ⁇ 0.05 comparing expected effect of MJ+2DG versus observed effect in CT-26 and D122 cells at all indicated concentrations of MJ ( FIGS. 5A and 5B ) and at 0.5 mM MJ in MCF cells ( FIG. 5C ). The difference between expected and observed effect in the case of DA3 ( FIG. 5D ) cells was not significant.
  • the present invention relates to compositions and methods for treating cancer, by administering a combination comprising a jasmonate derivative in combination with at least one other agent selected from a chemotherapeutic agent and an inhibitor of glycolysis.
  • the jasmonate derivative and the at least one other agent are administered in a collective amount to provide a therapeutic effect, preferably a synergistic effect.
  • the present invention thus relates to a method for treating cancer in a subject in need thereof, comprising administering to the subject a jasmonate derivative in combination with at least one other agent selected from a chemotherapeutic agent, an inhibitor of glycolysis and combinations thereof, wherein the jasmonate derivative and the at least one other agent together provide a synergistic therapeutic effect.
  • the present invention relates to a method for inhibiting cancer cell proliferation, comprising contacting cancer cells with a jasmonate derivative in combination with at least one other agent selected from a chemotherapeutic agent, an inhibitor of glycolysis and combinations thereof, wherein the jasmonate derivative and the at least one other agent together provide a synergistic effect.
  • the present invention relates to the use of a jasmonate derivative in combination with at least one other agent selected from a chemotherapeutic agent, an inhibitor of glycolysis and combinations thereof, wherein the jasmonate derivative and the at least one other agent together provide a synergistic therapeutic effect.
  • the combination therapy can provide a therapeutic advantage in view of the differential toxicity associated with the two individual treatments.
  • treatment with jasmonate derivative can lead to a particular toxicity that is not seen with the chemotherapeutic agent or the glycolysis inhibitor, and vice versa.
  • this differential toxicity can permit each treatment to be administered at a dose at which said toxicities do not exist or are minimal, such that together the combination therapy provides a therapeutic dose while avoiding the toxicities of each of the constituents of the combination agents.
  • the therapeutic effects achieved as a result of the combination treatment are enhanced or synergistic, i.e., significantly better than additive therapeutic effects, the doses of each of the agents can be reduced even further, thus lowering the associated toxicities to an even greater extent.
  • jasmonate derivative includes all salts, hydrates, solvates, polymorphs, optical isomers, geometrical isomers, enantiomers, diastereomers, and mixtures thereof of the particular jasmonate derivative.
  • the jasmonate derivative is methyl jasmonate, which is chemically designated methyl 3-oxo-2-(2-pentenyl)cyclopentaneacetic acid.
  • the jasmonate derivative is methyl jasmonate. In another currently preferred embodiment, the jasmonate derivative is a compound represented by the formula:
  • the jasmonate derivative is a compound represented by the formula
  • the jasmonate is a compound of formula 9:
  • the jasmonate derivative can be jasmonic acid or any derivative thereof.
  • Suitable jasmonate derivatives include, but are not limited to derivatives described in A) U.S. Pat. No. 6,469,061 and PCT International Patent Application Publication No. WO 02/080890; B) PCT International Patent Application Publication No. WO 2005/054172; C) PCT International Patent Application Publication No. WO 2007/066336; D) PCT International Patent Application Publication No. WO 2007/066337; and E) jasmonate-amino acid conjugate compounds.
  • Non-limiting examples of suitable jasmonate derivatives include:
  • jasmonate derivatives include, but are not limited to, methyl jasmonate, jasmonic acid, jasmone, 7-iso-jasmonic acid, 9,10-dihydrojasmonic acid, 2,3-didehydrojasmonic acid, 3,4-didehydrojasmonic acid, 3,7-didehydrojasmonic acid, 4,5-didehydrojasmonic acid, 4,5-didehydro-7-iso-jasmonic acid, cucurbic acid, 6-epi-cucurbic acid, 6-epi-cucurbic-acid-lactone, 12-hydroxy-jasmonic acid, 12-hydroxy-jasmonic-acid-lactone, 11-hydroxy-jasmonic acid, 8-hydroxy-jasmonic acid, homo-jasmonic acid, dihomo-jasmonic acid, 11-hydroxy-dihomo-jasmonic acid, 8-hydroxy-dihomo-jasmonic acid, tuberonic acid, tuber
  • Exemplary jasmonate derivatives include, but are not limited to: methyl jasmonate di-bromide (MJDB), methyl jasmonate tetrabromide (MJTB), a compound wherein R 6 and R 7 are each fluoro, a compound wherein R 6 and R 7 are each iodo, a compound wherein R 6 and R 7 are each chloro, a compound wherein one of R 6 and R 7 is iodo and the other is hydroxy, and a compound wherein one of R 6 and R 7 is iodo and the other is methoxy.
  • MJDB methyl jasmonate di-bromide
  • MJTB methyl jasmonate tetrabromide
  • Another example includes a jasmonate derivative represented by the structure of formula 12.
  • the amino acid residue in the compounds of formula VI can be a residue of any natural or unnatural amino acid.
  • preferred amino acids are leucine and tryptophan.
  • any other natural and unnatural amino acid defined herein and known to a person of skill in the art can be incorporated into the jasmonate-amino acid derivatives of the present invention.
  • the group R 1 can represent a peptide sequence comprising two or more amino acids, which can be natural amino acids, unnatural amino acids, or a combination thereof.
  • Examples of the compounds of formula VI include, but are not limited to:
  • Jasmonic acids conjugated via the carboxyl group to amino acids occur in nature (Plant Hormones, Davies P J, ed., Kluwer Academic Publishers, London, 2004, pp. 618, 620).
  • the amino acids include glycine, alanine, valine, leucine and isoleucine. (Jikumaru Y. et al. Biosci. Biotechnol. Biochem. 68, 1461-1466, 2004). The contents of these references are incorporated by reference in their entirety as if fully set forth herein. All of these conjugates can be used in the methods of the present invention.
  • All stereoisomers of the above jasmonate derivatives are contemplated, either in admixture or in pure or substantially pure form.
  • the jasmonate derivatives can have asymmetric centers at any of the atoms. Consequently, the compounds can exist in enantiomeric or diastereomeric forms or in mixtures thereof.
  • the present invention contemplates the use of any racemates (i.e. mixtures containing equal amounts of each enantiomers), enantiomerically enriched mixtures (i.e., mixtures enriched for one enantiomer), pure enantiomers or diastereomers, or any mixtures thereof.
  • the chiral centers can be designated as R or S or R,S or d,D, l,L or d,l, D,L.
  • Compounds comprising amino acid residues include residues of D-amino acids, L-amino acids, or racemic derivatives of amino acids.
  • Compounds comprising sugar residues include residues of D-sugars, L-sugars, or racemic derivatives of sugars. Residues of D-sugars, which appear in nature, are preferred.
  • several of the compounds of the invention contain one or more double bonds.
  • the present invention intends to encompass all structural and geometrical isomers including cis, trans, E and Z isomers, independently at each occurrence.
  • salt encompasses both basic and acid addition salts, including but not limited to carboxylate salts or salts with amine nitrogens, and include salts formed with the organic and inorganic anions and cations discussed below. Furthermore, the term includes salts that form by standard acid-base reactions with basic groups (such as amino groups) and organic or inorganic acids.
  • Such acids include hydrochloric, hydrofluoric, trifluoroacetic, sulfuric, phosphoric, acetic, succinic, citric, lactic, maleic, fumaric, palmitic, cholic, pamoic, mucic, D-glutamic, D-camphoric, glutaric, phthalic, tartaric, lauric, stearic, salicylic, methanesulfonic, benzenesulfonic, sorbic, picric, benzoic, cinnamic, and like acids.
  • organic or inorganic cation refers to counter-ions for the carboxylate anion of a carboxylate salt.
  • the counter-ions are chosen from the alkali and alkaline earth metals, (such as lithium, sodium, potassium, barium, aluminum and calcium); ammonium and mono-, di- and tri-alkyl amines such as trimethylamine, cyclohexylamine; and the organic cations, such as dibenzylammonium, benzylammonium, 2-hydroxyethylammonium, bis(2-hydroxyethyl)ammonium, phenylethylbenzylammonium, dibenzylethylenediammonium, and like cations.
  • the present invention also includes solvates of the compounds of the present invention and salts thereof.
  • “Solvate” means a physical association of a compound of the invention with one or more solvent molecules. This physical association involves varying degrees of ionic and covalent bonding, including hydrogen bonding. In certain instances the solvate will be capable of isolation. “Solvate” encompasses both solution-phase and isolatable solvates. Non-limiting examples of suitable solvates include ethanolates, methanolates and the like. “Hydrate” is a solvate wherein the solvent molecule is water.
  • the present invention also includes polymorphs of the compounds of the present invention and salts thereof.
  • polymorph refers to a particular crystalline state of a substance, which can be characterized by particular physical properties such as X-ray diffraction, IR spectra, melting point, and the like.
  • Suitable chemotherapeutic agents for use in the combinations of the present invention include, but are not limited to, alkylating agents, antibiotic agents, antimetabolic agents, hormonal agents, plant-derived agents, anti-angiogenic agents, differentiation inducing agents, cell growth arrest inducing agents, apoptosis inducing agents, cytotoxic agents, agents affecting cell bioenergetics, biologic agents, e.g., monoclonal antibodies, kinase inhibitors and inhibitors of growth factors and their receptors, gene therapy agents, cell therapy, e.g., stem cells, or any combination thereof.
  • alkylating agents include, but are not limited to, alkylating agents, antibiotic agents, antimetabolic agents, hormonal agents, plant-derived agents, anti-angiogenic agents, differentiation inducing agents, cell growth arrest inducing agents, apoptosis inducing agents, cytotoxic agents, agents affecting cell bioenergetics, biologic agents, e.g., monoclonal antibodies, kinase inhibitors
  • Alkylating agents are drugs which impair cell function by forming covalent bonds with amino, carboxyl, suflhydryl and phosphate groups in biologically important molecules. The most important sites of alkylation are DNA, RNA and proteins. Alkylating agents depend on cell proliferation for activity but are not cell-cycle-phase-specific. Alkylating agents suitable for use in the present invention include, but are not limited to, bischloroethylamines (nitrogen mustards, e.g. chlorambucil, cyclophosphamide, ifosfamide, mechlorethamine, melphalan, uracil mustard), aziridines (e.g.
  • alkyl alkone sulfonates e.g. busulfan
  • nitroso-ureas e.g. BCNU, carmustine, lomustine, streptozocin
  • nonclassic alkylating agents e.g., altretamine, dacarbazine, and procarbazine
  • platinum compounds e.g., carboplastin and cisplatin
  • Antitumor antibiotics like adriamycin intercalate DNA at guanine-cytosine and guanine-thymine sequences, resulting in spontaneous oxidation and formation of free oxygen radicals that cause strand breakage (7).
  • Other antibiotic agents suitable for use in the present invention include, but are not limited to, anthracyclines (e.g. doxorubicin, daunorubicin, epirubicin, idarubicin and anthracenedione), mitomycin C, bleomycin, dactinomycin, and plicatomycin.
  • Antimetabolic agents suitable for use in the present invention include but are not limited to, floxuridine, fluorouracil, methotrexate, leucovorin, hydroxyurea, thioguanine, mercaptopurine, cytarabine, pentostatin, fludarabine phosphate, cladribine, asparaginase, and gemcitabine.
  • Hormonal agents suitable for use in the present invention include but are not limited to, an estrogen, a progestogen, an antiesterogen, an androgen, an antiandrogen, an LHRH analogue, an aromatase inhibitor, diethylstibestrol, tamoxifen, toremifene, fluoxymesterol, raloxifene, bicalutamide, nilutamide, flutamide, aminoglutethimide, tetrazole, ketoconazole, goserelin acetate, leuprolide, megestrol acetate, and mifepristone.
  • Plant derived agents include taxanes, which are semisynthetic derivatives of extracted precursors from the needles of yew plants. These drugs have a novel 14-member ring, the taxane. Unlike the vinca alkaloids, which cause microtubular disassembly, the taxanes (e.g., taxol) promote microtubular assembly and stability, therefore blocking the cell cycle in mitosis (7).
  • Other plant derived agents include, but are not limited to, vincristine, vinblastine, vindesine, vinzolidine, vinorelbine, etoposide, teniposide, and docetaxel.
  • Biologic agents suitable for use in the present invention include, but are not limited to immuno-modulating proteins, monoclonal antibodies against tumor antigens, tumor suppressor genes, kinase inhibitors and inhibitors of growth factors and their receptors and cancer vaccines.
  • the immuno-modulating protein can be interleukin 2, interleukin 4, interleukin 12, interferon El interferon D, interferon alpha, erythropoietin, granulocyte-CSF, granulocyte, macrophage-CSF, bacillus Calmette-Guerin, levamisole, or octreotide.
  • the tumor suppressor gene can be DPC-4, NF-1, NF-2, RB, p53, WT1, BRCA, or BRCA2.
  • the chemotherapeutic agent is a nitroso-urea (e.g., 1,3-bis[2-chloroethyl]-10-nitroso-urea (BCNU), a platinum compound (e.g., cisplatin), a taxane derivative (e.g., taxol or its derivatives), an antitumor antibiotic (e.g., adriamycin), or any combination thereof.
  • nitroso-urea e.g., 1,3-bis[2-chloroethyl]-10-nitroso-urea (BCNU)
  • a platinum compound e.g., cisplatin
  • a taxane derivative e.g., taxol or its derivatives
  • an antitumor antibiotic e.g., adriamycin
  • 2DG significantly enhances the cytotoxic effects of anticancer agents like topoisomerase inhibitors (etoposide and camptothecin) and an antibiotic drug (bleomycin) in established human tumor cell lines.
  • the present invention contemplates the use of a jasmonate derivative in combination with a glycolytic inhibitor such as 2DG, optionally further in combination with one or more additional chemotherapeutic agents described above.
  • inhibitors of glycolysis include oxamate and its derivatives. See, for example, Hamilton E, Fennell M, Stafford D M. Acta Oncol. 1995; 34(3):429-33, the contents of which are incorporated by reference in their entirety.
  • the present invention relates to a method for treating cancer in a subject in need thereof, comprising administering to the subject a jasmonate derivative in combination with at least one other agent selected from a chemotherapeutic agent, an inhibitor of glycolysis and combinations thereof, wherein the jasmonate derivative and the at least one other agent together provide a therapeutic effect.
  • the present invention relates to a method for treating cancer in a subject in need thereof, comprising administering to the subject a jasmonate derivative in combination with at least one other agent selected from a chemotherapeutic agent, an inhibitor of glycolysis and combinations thereof, wherein the jasmonate derivative and the at least one other agent together provide a synergistic therapeutic effect.
  • the present invention relates to the use of a combination comprising a jasmonate derivative and at least one other agent selected from a chemotherapeutic agent, an inhibitor of glycolysis, for the preparation of a medicament for the treatment of cancer, wherein the first and the second amounts together provide a synergistic therapeutic effect.
  • MJ significantly enhanced the anti-leukemic effect of adriamycin in vivo.
  • chemotherapeutic drugs in routine clinical usage were evaluated. These were chosen based on their mechanism of action which differs from that of MJ. Without wishing to be bound by any particular mechanism or theory, it is contemplated that drugs with different mechanisms of action are promising combinations for cancer therapy. Nevertheless, the cytotoxic effect of each of these drugs is mediated, though indirectly, via mitochondrial perturbation. Thus, the mitochondria serve as a central point of cellular life and death decisions.
  • MJ has previously been shown to act against leukemic cells from CLL patients while sparing normal lymphocytes (1, 2, 3). Thus, MJ could enhance currently-available therapy against CLL without causing side effects. Moreover, it has previously been shown that MJ can kill p53-mutant cells (6) and cell expressing high levels of P-gp. Consequently, a drug combination including MJ should potentially have an advantage in treating patients exhibiting drug resistance.
  • cancer in the context of the present invention includes all types of neoplasm whether in the form of solid or non-solid tumors, from all origins, and includes both malignant and premalignant conditions as well as their metastasis.
  • the combinations of the present invention are active against a wide range of cancers.
  • the combinations of the present invention are active against a wide range of cancers, including carcinomas, sarcomas, myelomas, leukemias, lymphomas and mixed type tumors.
  • tumors amenable to treatment include lymphoproliferative disorders, breast cancer, ovarian cancer, prostate cancer, cervical cancer, endometrial cancer, bone cancer, liver cancer, stomach cancer, colon cancer, pancreatic cancer, cancer of the thyroid, head and neck cancer, cancer of the central nervous system, cancer of the peripheral nervous system, skin cancer, kidney cancer, as well as metastases of all the above.
  • tumors amenable to treatment include: hepatocellular carcinoma, hematoma, hepatoblastoma, rhabdomyosarcoma, esophageal carcinoma, thyroid carcinoma, ganglioblastoma, fibrosarcoma, myxosarcoma, liposarcoma, chondrosarcoma, osteogenic sarcoma, chordoma, angiosarcoma, endotheliosarcoma, Ewing's tumor, leiomyosarcoma, rhabdotheliosarcoma, invasive ductal carcinoma, papillary adenocarcinoma, melanoma, squamous cell carcinoma, basal cell carcinoma, adenocarcinoma (well differentiated, moderately differentiated, poorly differentiated or undifferentiated), renal cell carcinoma, hypernephroma, hypernephroid adenocarcinoma, bile duct carcinoma, choriocar
  • the combinations of the present invention are active against breast cancer, kidney cancer, stomach cancer, leukemia, including lymphoblastic leukemia, lung carcinoma, melanoma and colon cancer.
  • the subject is a mammal, preferably a human.
  • the present invention also contemplates using the compounds of the present invention for non-mammal humans, e.g., in veterinary medicine.
  • inhibition of proliferation in relation to cancer cells, in the context of the present invention refers to a decrease in at least one of the following: number of cells (due to cell death which may be necrotic, apoptotic or any other type of cell death or combinations thereof) as compared to control; decrease in growth rates of cells, i.e.
  • the total number of cells may increase but at a lower level or at a lower rate than the increase in control; decrease in the invasiveness of cells (as determined for example by soft agar assay) as compared to control even if their total number has not changed; progression from a less differentiated cell type to a more differentiated cell type; a deceleration in the neoplastic transformation; or alternatively the slowing of the progression of the cancer cells from one stage to the next.
  • treatment of cancer includes at least one of the following: a decrease in the rate of growth of the cancer (i.e. the cancer still grows but at a slower rate); cessation of growth of the cancerous growth, i.e., stasis of the tumor growth, and, in preferred cases, the tumor diminishes or is reduced in size.
  • the term also includes reduction in the number of metastases, reduction in the number of new metastases formed, slowing of the progression of cancer from one stage to the other and a decrease in the angiogenesis induced by the cancer. In most preferred cases, the tumor is totally eliminated. Additionally included in this term is lengthening of the survival period of the subject undergoing treatment, lengthening the time of diseases progression, tumor regression, and the like.
  • This term also encompasses prevention for prophylactic situations or for those individuals who are susceptible to contracting a tumor.
  • the administration of the compounds of the present invention will reduce the likelihood of the individual contracting the disease. In preferred situations, the individual to whom the compound is administered does not contract the disease.
  • administering refers to bringing in contact with a compound of the present invention. Administration can be accomplished to cells or tissue cultures, or to living organisms, for example humans. In one embodiment, the present invention encompasses administering the compounds of the present invention to a human subject.
  • a “therapeutic” treatment is a treatment administered to a subject who exhibits signs of pathology for the purpose of diminishing or eliminating those signs.
  • a “therapeutically effective amount” is that amount of compound which is sufficient to provide a beneficial effect to the subject to which the compound is administered.
  • a “synergistic therapeutically effective amount” means that the combination treatment regimen produces a significantly better anticancer result (e.g., cell growth arrest, apoptosis, induction of differentiation, cell death) than the additive effects of each constituent when it is administered alone at a therapeutic dose. Standard statistical analysis can be employed to determine when the results are significantly better. For example, a Mann-Whitney Test or some other generally accepted statistical analysis can be employed.
  • the combinations of the present invention can be administered alone, it is contemplated that the components of the combination will be administered in pharmaceutical compositions further containing at least one pharmaceutically acceptable carrier or excipient. Each of the components can be administered in a separate pharmaceutical composition, or the combination can be administered in one pharmaceutical composition.
  • the present invention also contemplates pharmaceutical compositions that include a first amount of a jasmonate derivative in combination with a second amount of at least one other agent selected from a chemotherapeutic agent and an inhibitor of glycolysis.
  • the first and the second amounts together provide a therapeutic anti-cancer effect which is, in one embodiment, synergistic.
  • the present invention contemplates a first pharmaceutical composition that includes a first amount of a jasmonate derivative and a second pharmaceutical composition that includes a second amount of at least one other agent selected from a chemotherapeutic agent and an inhibitor of glycolysis.
  • the first and the second amounts together provide a therapeutic anti-cancer effect which is, in one embodiment, synergistic. If the combination comprises more than two components, then the total amount of jasmonate derivative, chemotherapeutic agent and/or inhibitor of glycolysis provide a therapeutic anti-cancer effect which is, in one embodiment, synergistic.
  • compositions of the present invention can be formulated for administration by a variety of routes including oral, rectal, transdermal, parenteral (subcutaneous, intraperitoneal, intravenous, intra-arterial, transdermal and intramuscular), topical, intranasal, or via a suppository.
  • Such compositions are prepared in a manner well known in the pharmaceutical art and comprise as an active ingredient at least one compound of the present invention as described hereinabove, and a pharmaceutically acceptable excipient or a carrier.
  • pharmaceutically acceptable means approved by a regulatory agency of the Federal or a state government or listed in the U.S. Pharmacopeia or other generally recognized pharmacopeia for use in animals and, more particularly, in humans.
  • the active ingredient is usually mixed with a carrier or excipient, which may be a solid, semi-solid, or liquid material.
  • a carrier or excipient which may be a solid, semi-solid, or liquid material.
  • the compositions can be in the form of tablets, pills, capsules, pellets, granules, powders, lozenges, sachets, cachets, elixirs, suspensions, dispersions, emulsions, solutions, syrups, aerosols (as a solid or in a liquid medium), ointments containing, for example, up to 10% by weight of the active compound, soft and hard gelatin capsules, suppositories, sterile injectable solutions, and sterile packaged powders.
  • the carriers may be any of those conventionally used and are limited only by chemical-physical considerations, such as solubility and lack of reactivity with the compound of the invention, and by the route of administration.
  • the choice of carrier will be determined by the particular method used to administer the pharmaceutical composition.
  • suitable carriers include lactose, glucose, dextrose, sucrose, sorbitol, mannitol, starches, gum acacia, calcium phosphate, alginates, tragacanth, gelatin, calcium silicate, microcrystalline cellulose, polyvinylpyrrolidone, cellulose, water and methylcellulose.
  • the formulations can additionally include lubricating agents such as talc, magnesium stearate, and mineral oil; wetting agents, surfactants, emulsifying and suspending agents; preserving agents such as methyl- and propylhydroxybenzoates; sweetening agents; flavoring agents, colorants, buffering agents (e.g., acetates, citrates or phosphates), disintegrating agents, moistening agents, antibacterial agents, antioxidants (e.g., ascorbic acid or sodium bisulfite), chelating agents (e.g., ethylenediaminetetraacetic acid), and agents for the adjustment of tonicity such as sodium chloride.
  • lubricating agents such as talc, magnesium stearate, and mineral oil
  • wetting agents such as surfactants, emulsifying and suspending agents
  • preserving agents such as methyl- and propylhydroxybenzoates
  • sweetening agents e.g., acetates, citrates or phosphates
  • Other pharmaceutical carriers can be sterile liquids, such as water and oils, including those of petroleum, animal, vegetable or synthetic origin, such as peanut oil, soybean oil, mineral oil, sesame oil and the like, polyethylene glycols, glycerin, propylene glycol or other synthetic solvents. Water is a preferred carrier when the pharmaceutical composition is administered intravenously. Saline solutions and aqueous dextrose and glycerol solutions can also be employed as liquid carriers, particularly for injectable solutions.
  • the active ingredient in the pharmaceutical composition is dissolved in any acceptable lipid carrier (e.g., fatty acids, oils to form, for example, a micelle or a liposome).
  • lipid carrier e.g., fatty acids, oils to form, for example, a micelle or a liposome.
  • the principal active ingredient(s) is mixed with a pharmaceutical excipient to form a solid preformulation composition containing a homogeneous mixture of a compound of the present invention.
  • a solid preformulation composition containing a homogeneous mixture of a compound of the present invention.
  • the active ingredient is dispersed evenly throughout the composition so that the composition may be readily subdivided into equally effective unit dosage forms such as tablets, pills and capsules.
  • This solid preformulation is then subdivided into unit dosage forms of the type described above containing from, for example, from about 0.1 mg to about 2000 mg, from about 0.1 mg to about 500 mg, from about 1 mg to about 100 mg, from about 100 mg to about 250 mg, etc. of the active ingredient(s) of the present invention.
  • Solid dosage forms can be prepared by wet granulation, dry granulation, direct compression and the like.
  • the solid dosage forms of the present invention may be coated or otherwise compounded to provide a dosage form affording the advantage of prolonged action.
  • the tablet or pill can comprise an inner dosage and an outer dosage component, the latter being in the form of an envelope over the former.
  • the two components can be separated by an enteric layer, which serves to resist disintegration in the stomach and permit the inner component to pass intact into the duodenum or to be delayed in release.
  • enteric layers or coatings such materials including a number of polymeric acids and mixtures of polymeric acids with such materials as shellac, cetyl alcohol, and cellulose acetate.
  • compositions of the present invention include aqueous solutions, suitably flavored syrups, aqueous or oil suspensions, and flavored emulsions with edible oils such as cottonseed oil, sesame oil, coconut oil, or peanut oil, as well as elixirs and similar pharmaceutical vehicles.
  • aqueous solutions suitably flavored syrups, aqueous or oil suspensions, and flavored emulsions with edible oils such as cottonseed oil, sesame oil, coconut oil, or peanut oil, as well as elixirs and similar pharmaceutical vehicles.
  • compositions for inhalation or insulation include solutions and suspensions in pharmaceutically acceptable aqueous or organic solvents, or mixtures thereof, and powders.
  • the liquid or solid compositions may contain suitable pharmaceutically acceptable excipients as described above.
  • the compositions are administered by the oral or nasal respiratory route for local or systemic effect.
  • Compositions in preferably pharmaceutically acceptable solvents may be nebulized by use of inert gases. Nebulized solutions may be breathed directly from the nebulizing device or the nebulizing device may be attached to a face masks tent, or intermittent positive pressure breathing machine. Solution, suspension, or powder compositions may be administered, preferably orally or nasally, from devices that deliver the formulation in an appropriate manner.
  • transdermal delivery devices Such transdermal patches may be used to provide continuous or discontinuous infusion of the compounds of the present invention in controlled amounts.
  • the construction and use of transdermal patches for the delivery of pharmaceutical agents is well known in the art.
  • the composition is prepared for topical administration, e.g. as an ointment, a gel a drop or a cream.
  • topical administration e.g. as an ointment, a gel a drop or a cream.
  • the compounds of the present invention can be prepared and applied in a physiologically acceptable diluent with or without a pharmaceutical carrier.
  • the present invention may be used topically or transdermally to treat cancer, for example, melanoma.
  • Adjuvants for topical or gel base forms may include, for example, sodium carboxymethylcellulose, polyacrylates, polyoxyethylene-polyoxypropylene-block polymers, polyethylene glycol and wood wax alcohols.
  • Alternative formulations include nasal sprays, liposomal formulations, slow-release formulations, pumps delivering the drugs into the body (including mechanical or osmotic pumps) controlled-release formulations and the like, as are known in the art.
  • compositions are preferably formulated in a unit dosage form.
  • unit dosage forms refers to physically discrete units suitable as unitary dosages for human subjects and other mammals, each unit containing a predetermined quantity of active material calculated to produce the desired therapeutic effect, in association with a suitable pharmaceutical excipient.
  • the active ingredient In preparing a formulation, it may be necessary to mill the active ingredient to provide the appropriate particle size prior to combining with the other ingredients. If the active compound is substantially insoluble, it ordinarily is milled to a particle size of less than 200 mesh. If the active ingredient is substantially water soluble, the particle size is normally adjusted by milling to provide a substantially uniform distribution in the formulation, e.g. about 40 mesh.
  • composition of the invention may be administered locally to the area in need of treatment; this may be achieved by, for example, and not by way of limitation, local infusion during surgery, infusion to the liver via feeding blood vessels with or without surgery, topical application, e.g., in conjunction with a wound dressing after surgery, by injection, by means of a catheter, by means of a suppository, or by means of an implant, said implant being of a porous, non-porous, or gelatinous material.
  • administration can be by direct injection e.g., via a syringe, at the site of a tumor or neoplastic or pre-neoplastic tissue.
  • the compounds may also be administered by any convenient route, for example by infusion or bolus injection, by absorption through epithelial linings (e.g., oral mucosa, rectal and intestinal mucosa, etc.), and may be administered together with other therapeutically active agents. It is preferred that administration is localized, but it may be systemic. In addition, it may be desirable to introduce the pharmaceutical compositions of the invention into the central nervous system by any suitable route, including intraventricular and intrathecal injection; intraventricular injection may be facilitated by an intraventricular catheter, for example, attached to a reservoir. Pulmonary administration can also be employed, e.g., by use of an inhaler or nebulizer, and formulation with an aerosolizing agent.
  • a compound of the present invention can be delivered in an immediate release or in a controlled release system.
  • an infusion pump may be used to administer a compound of the invention, such as one that is used for delivering chemotherapy to specific organs or tumors (see Buchwald et al., 1980, Surgery 88: 507; Saudek et al., 1989, N. Engl. J. Med. 321: 574).
  • a compound of the invention is administered in combination with a biodegradable, biocompatible polymeric implant, which releases the compound over a controlled period of time at a selected site.
  • a controlled release system can be placed in proximity of the therapeutic target, thus requiring only a fraction of the systemic dose.
  • the pharmaceutical compositions may be formulated for parenteral administration (subcutaneous, intravenous, intraarterial, transdermal, intraperitoneal or intramuscular injection) and may include aqueous and non-aqueous, isotonic sterile injection solutions, which can contain anti-oxidants, buffers, bacteriostats, and solutes that render the formulation isotonic with the blood of the intended recipient, and aqueous and non-aqueous sterile suspensions that include suspending agents, solubilizers, thickening agents, stabilizers, and preservatives.
  • parenteral administration subcutaneous, intravenous, intraarterial, transdermal, intraperitoneal or intramuscular injection
  • aqueous and non-aqueous, isotonic sterile injection solutions which can contain anti-oxidants, buffers, bacteriostats, and solutes that render the formulation isotonic with the blood of the intended recipient
  • aqueous and non-aqueous sterile suspensions that include suspending
  • Oils such as petroleum, animal, vegetable, or synthetic oils and soaps such as fatty alkali metal, ammonium, and triethanolamine salts, and suitable detergents may also be used for parenteral administration.
  • the above formulations may also be used for direct intra-tumoral injection.
  • the compositions may contain one or more nonionic surfactants.
  • Suitable surfactants include polyethylene sorbitan fatty acid esters, such as sorbitan monooleate and the high molecular weight adducts of ethylene oxide with a hydrophobic base, formed by the condensation of propylene oxide with propylene glycol.
  • parenteral formulations can be presented in unit-dose or multi-dose sealed containers, such as ampoules and vials, and can be stored in a freeze-dried (lyophilized) condition requiring only the addition of the sterile liquid carrier, for example, water, for injections, immediately prior to use.
  • sterile liquid carrier for example, water
  • Extemporaneous injection solutions and suspensions can be prepared from sterile powders, granules, and tablets of the kind previously described and known in the art.
  • the combinations of the present invention can be used in hemodialysis such as leukophoresis and other related methods, e.g., blood is drawn from the patient by a variety of methods such as dialysis through a column/hollow fiber membrane, cartridge etc, is treated with the jasmonate derivatives and/or chemotherapeutic drug and or glycolysis inhibitor Ex-vivo, and returned to the patient following treatment.
  • hemodialysis such as leukophoresis and other related methods
  • blood is drawn from the patient by a variety of methods such as dialysis through a column/hollow fiber membrane, cartridge etc, is treated with the jasmonate derivatives and/or chemotherapeutic drug and or glycolysis inhibitor Ex-vivo, and returned to the patient following treatment.
  • Such treatment methods are well known and described in the art. See, e.g., Kolho et al. (J. Med. Virol. 1993, 40(4): 318-21); Ting et al. (Transplantation, 1978, 25(1): 31-3); the contents
  • the treatment with the jasmonate derivative and the at least other chemotherapeutic agent and/or anti-glycolysis inhibitor can take place sequentially in any order, simultaneously or a combination thereof.
  • administration of a jasmonate derivative can take place prior to, after or at the same time as administration of the chemotherapeutic agent and/or the inhibitor of glycolysis.
  • a total treatment period can be decided for the jasmonate derivative.
  • the additional agent(s) chemotherapeutic agent and/or the inhibitor of glycolysis
  • the additional agent(s) can be administered during the period of jasmonate derivative administration but does not need to occur over the entire jasmonate derivative treatment period.
  • the treatment regimen includes pre-treatment with one agent, either the jasmonate derivative or the chemotherapeutic agent/glycolysis inhibitor, followed by the addition of the other agent or agents.
  • Alternating sequences of administration are also contemplated. Alternating administration includes administration of a jasmonate derivative, a chemotherapeutic agent and/or glycolysis inhibitor in alternating sequences, e.g., jasmonate derivative, followed by chemotherapeutic agent, followed by glycolysis inhibitor, followed by jasmonate derivative, etc.
  • the amount of a compound of the invention i.e., jasmonate derivative/chemotherapeutic agent/inhibitor of glycolysis
  • a compound of the invention i.e., jasmonate derivative/chemotherapeutic agent/inhibitor of glycolysis
  • the precise dose to be employed in the formulation will also depend on the route of administration, and the seriousness of the disease or disorder, and should be decided according to the judgment of the practitioner and each patient's circumstances.
  • a preferred dosage will be within the range of 0.01-1000 mg/kg of body weight, 0.1 mg/kg to 100 mg/kg, 1 mg/kg to 100 mg/kg, 10 mg/kg to 75 mg/kg, 0.1-1 mg/kg, etc.
  • Exemplary (non-limiting) amounts of the jasmonate derivative/chemotherapeutic agent/inhibitor of glycolysis include 0.1 mg/kg, 0.2 mg/kg, 0.5 mg/kg, 1 mg/kg, 5 mg/kg, 10 mg/kg, 20 mg/kg, 50 mg/kg, 60 mg/kg, 75 mg/kg and 100 mg/kg.
  • the amount administered can be measured and expressed as molarity of the administered compound.
  • a jasmonate derivative e.g., methyl jasmonate
  • the amount administered can be measured and expressed as mg/ml, ⁇ g/ml, or ng/ml.
  • a chemotherapeutic agent can be administered in an amount of 1 ng/ml to 100 mg/ml, for example 1-1000 ng/ml, 1-100 ng/ml, 1-1000 ⁇ g/ml, 1-100 ⁇ g/ml, 1-1000 mg/ml, 1-100 mg/ml, etc.
  • Effective doses may be extrapolated from dose-response curves derived from in vitro or animal model test bioassays or systems.
  • the overall dose of each of the components may be lower, thus the side effects experienced by the subject may be significantly lower, while a sufficient chemotherapeutic effect is nevertheless achieved.
  • the jasmonate derivative methyl jasmonate in combination with various chemotherapeutic agents (adriamycin, taxol, BCNU and cisplatin) exhibit synergistic anti-proliferative effects at various concentration ranges, in-vitro and in-vivo.
  • the combination therapy reduces the amount of each of its component by a factor of 2, i.e., each component is given at half the dose as compared with single agent therapy, and still achieves the same or similar therapeutic effect. in another embodiment, the combination therapy reduces the amount of each of its component by a factor of 5, 10, 20, 50 or 100.
  • the IC50 of chemotherapeutic agents as anti-proliferative agents in various cancer cells are reduced as compared to the IC50 of the chemotherapeutic agent, when administered alone.
  • the administration schedule will depend on several factors such as the cancer being treated, the severity and progression, the patient population, age, weight etc.
  • the compositions of the invention can be taken once-daily, twice-daily, thrice daily, once-weekly or once-monthly.
  • the administration can be continuous, i.e., every day, or intermittently.
  • intermittent administration can be administration one to six days per week or it may mean administration in cycles (e.g. daily administration for two to eight consecutive weeks, then a rest period with no administration for up to one week) or it may mean administration on alternate days.
  • the different components of the combination can, independently of the other, follow different dosing schedules.
  • CT26 is a murine colon carcinoma.
  • DA-3 is a murine mammary adenocarcinoma.
  • TRAMP C1 is a murine prostate adenocarcinoma.
  • MCF7 is a human breast adenocarcinoma.
  • M IA PaCa-2 is a human pancreatic carcinoma.
  • D122 is a murine lung carcinoma.
  • BCL1 is a murine B cell leukemia. All cell lines were purchased from ATCC (Rockville, Md., USA), except for DA3 and D122 which were kindly provided by Prof. Y. Keisari (Tel-Aviv University, Israel).
  • the cell lines were found negative for mycoplasma infection as revealed by VenorGem mycoplasma detection kit 25T (Minerva Biolabs, Berlin, Germany).
  • CT26 and DA-3 cells were maintained in Dulbecco's modified Eagle's medium (Biological Industries, Beit-Haemek, Israel), supplemented with 10% FCS, 2 mM L-glutamine, 100 U ml ⁇ 1 penicillin, 100 ⁇ g ml ⁇ 1 streptomycin, 1 mM sodium pyruvate and 1:100 dilution of nonessential amino acids (all purchased from Biological Industries, Israel).
  • MCF7, MIA PaCa-2 and BCL1 cells were maintained in RPMI-1640 medium (Biological Industries, Israel) supplemented with 10% FCS, 2 mM L-glutamine, 100 U ml ⁇ 1 penicillin and 100 ⁇ g ml ⁇ 1 streptomycin.
  • TRAMP C1 cells were grown in Dulbecco's modified Eagle's medium supplemented with 10% FCS, 2 mM L-glutamine, 100 U ml ⁇ 1 penicillin, 100 ⁇ g ml ⁇ 1 streptomycin, 1 mM sodium pyruvate, 1:100 dilution of nonessential amino acids, 5 ⁇ g/ml bovine insulin and 10 nM dehydroisoandrosterone.
  • BCL1 cells which are unable to grow continuously in culture, were maintained in BALB/c mice.
  • Blood was taken from the tail vein of BCL1-bearing mice on day 23-28 post inoculation, and depleted of red blood cells (RBC) using RBC lysis buffer (Sigma-Aldrich).
  • RBC red blood cells
  • the purified leukemic cells were used for in vitro and in vivo experiments.
  • BCL1 cells All cells (except for BCL1) were plated into 96-well microtiter plates (Corning) at a density of 2*10 3 cells per well and were allowed to adhere prior to treatment. BCL1 cells were seeded at a density of 20*10 4 cells per well. The cells were exposed to MJ, cytotoxic drugs, 2DG or their combinations at different concentrations for 24 hours. Cytotoxic drugs and 2DG were added 1 h prior to MJ addition.
  • Inhibition of cell proliferation was determined by the CellTiter 96 Aqueous Non-Radioactive Cell Proliferation Assay (Promega, Madison, Wis., USA). Upon completion of a given experiment, 20 ⁇ l of a mixture (20:1) of MTS (a tetrazolium compound, at a final concentration of 333 ⁇ g/ml)+phenazine methosulfate (at a final concentration of 25 ⁇ M) were added to each well of the 96-well plate for 1 h at 37° C. This allowed for the development of the reaction in which dehydrogenases reduce the MTS in metabolically active cells.
  • MTS a tetrazolium compound, at a final concentration of 333 ⁇ g/ml
  • phenazine methosulfate at a final concentration of 25 ⁇ M
  • mice (7-8 weeks old) were obtained from the breeding colony of Tel-Aviv University, Israel. Animal care and experimentation were carried out in accordance with Tel-Aviv University guidelines and approved by the institutional animal use and care committee. Mice were kept in cages under standard food and housing conditions during the experiments.
  • BCL1 cells freshly extracted from BCL1 leukemia bearing BALB/c mice, were inoculated intraperitoneally (i.p.) into mice in 100 ⁇ l PBS to produce tumor growth.
  • Methyl jasmonate at 60 mg/kg was administered to animals 5 times a week, daily, for 4 weeks, starting one day after cell inoculation.
  • This dose of MJ was found to be well tolerated by animals in preliminary experiments.
  • MJ was dissolved in a lipid formulation, Lipofundin (B. Braun Mels Institute, Melsungen, Germany).
  • the adriamycin was given to mice twice, on days 7 and 14, at 4 mg/kg, i.p. Control mice were treated with the vehicle alone. The survival of mice was monitored daily.
  • MJ The cytotoxic activity of MJ was tested in vitro against 6 adherent cell lines and 1 ex vivo mouse cell line. Each cell line was exposed to MJ for 24 h at concentrations ranging from 0.1 mM to 2 mM and cytotoxicity was determined as described in Methods. The IC50 values are summarized in Table 1. As can be seen from FIG. 1 , MJ exerted cytotoxic effects at concentrations at or above 0.25 mM. All cell lines responded in a dose-dependent fashion to MJ.
  • MJ The cooperative effect of MJ with traditional chemotherapeutic drugs was investigated. Anticancer agents are rarely used as monotherapies. Effective chemotherapy usually depends on the proper and effective combination of two or more agents. Four drugs with different modes of action were selected. BCNU, cisplatin, taxol and adriamycin were assessed for cooperativity in combination with a fixed concentration of MJ in 7 cell lines. The MJ concentration was chosen in accordance with dose response data ( FIG. 1 ) such that the cytotoxicity of MJ didn't exceed 40%.
  • MJ does not exhibit cooperative activity with any of the 4 drugs in CT26 cells, while in other cell lines a cooperative effect of MJ was observed with one or two chemotherapeutic drugs.
  • MIA TRAMP DA-3 D122 CT26 PaCA-2
  • MCF7 C1 BCL1 Cisplatin ⁇ ⁇ ⁇ + ⁇ + ⁇ Adria- ⁇ ⁇ ⁇ ⁇ ⁇ + mycin BCNU ⁇ ⁇ ⁇ + ⁇ ⁇ + Taxol + + ⁇ ⁇ + + ⁇ + combinations yielding, at least at some concentrations, cooperative effect
  • MIA PaCa-2 cells exhibit strong cooperative effects with BCNU at all concentrations tested (1-25 ⁇ g/ml), whereas cooperation with cisplatin is exhibited at low cisplatin concentrations (1 and 2.5 ⁇ g/ml).
  • the IC50 of BCNU by itself is above 25 ⁇ g/ml while that of the combination is less than 1 ⁇ g/ml.
  • MJ enhances the cytotoxic capability of taxol when combined with 2.5 ⁇ g/ml taxol, whereas the combinations at other concentrations are additive.
  • DA-3 cells In DA-3 cells ( FIG. 2C ), a cooperative effect of MJ with taxol at 1, 2.5 and 5 ⁇ g/ml is observed, while at 10 ⁇ g/ml the effect is additive.
  • the IC50 of taxol in this combination is reduced to 2.5 ⁇ g/ml whereas the IC50 of taxol alone is 9 ⁇ g/ml.
  • Very strong cooperation of taxol and MJ can be seen in D122 cells ( FIG. 2D ) at all indicated concentrations.
  • the IC50 of taxol alone in this experimental system is 8.2 ⁇ g/ml, but it is reduced to less than 1 ⁇ g/ml in the presence of MJ.
  • adriamycin is used for treatment of leukemia, it was chosen for an experiment assessing a combination with MJ in vivo.
  • BALB/c mice were injected i.p. with 10 4 freshly extracted BCL1 cells and treated with combination of adriamycin and MJ for 4 weeks.
  • the dose of adriamycin was chosen based on previous in vivo experiments, i.e., at a non-toxic level that exhibits a minimal curing effect.
  • the treatment with MJ started one day after BCL1 injection. MJ was administered every day at 60 mg/kg by intravenous injection, whereas adriamycin was injected twice: on day 7 and on day 14.
  • cooperation between MJ and ADR can be observed not only in vitro, but also in vivo.
  • the mitochondriotoxic anti-cancer agent MJ can cooperate with various common chemotherapeutic drugs, as well as a glycolysis inhibitor, both in vitro and in vivo. These data constitute a foundation for the potential clinical use of MJ in drug combinations, possibly also against drug-resistant tumors.

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US8865660B2 (en) 2010-12-10 2014-10-21 Broady Health Sciences, Llc Method of treating neurogenic overactive bladder in a mammal or method of treating non-psychological stress-related bladder dysfunction in a female mammal by administering at least on jasmonate

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BRPI0804172A2 (pt) * 2008-07-15 2010-07-06 Pereira Lopes Jose Emilio Fehr compostos quìmicos formados a partir de nanoencapsulamentos e complexação de elementos
EP2755643B1 (en) 2011-09-16 2019-05-08 Nanocare Technologies, Inc. Compositions of jasmonate compounds and methods of use
MX2017008655A (es) 2014-12-31 2018-04-10 Nanocare Tech Inc Derivados de jasmonato y composiciones de los mismos.
JP2019512536A (ja) * 2016-03-28 2019-05-16 ヴィダック ファーマ リミテッド 局所投与のための安定な医薬組成物およびその使用
US11406605B2 (en) * 2017-12-20 2022-08-09 Golden Biotechnology Corporation Therapeutic compositions for treating pancreatic cancer

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US6469061B1 (en) * 2001-04-04 2002-10-22 Ramot University Authority For Applied Research And Industrial Development Limited Jasmonate pharmaceutical composition for treatment of cancer
US7425651B2 (en) * 2003-12-02 2008-09-16 Ramot At Tel-Aviv University Ltd. Jasmonate derivative compounds, pharmaceuticals compounds and methods of use thereof
EP2402321A3 (en) * 2005-12-07 2012-02-29 Ramot at Tel Aviv University, Ltd. Chemical derivatives of jasmonate, pharmaceutical compositions and methods of use thereof
CA2630666A1 (en) * 2005-12-07 2007-06-14 Sepal Pharma Ltd. Jasmonate derivatives, pharmaceutical compositions and methods of use thereof

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US8865660B2 (en) 2010-12-10 2014-10-21 Broady Health Sciences, Llc Method of treating neurogenic overactive bladder in a mammal or method of treating non-psychological stress-related bladder dysfunction in a female mammal by administering at least on jasmonate
US9492403B2 (en) 2010-12-10 2016-11-15 Broady Health Sciences, Llc Method of treating overactive bladder, not due to cancer, by administering at least one jasmonate

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